In order to capture system audio on Mac, you will need to install a virtual sound card or driver. For example, you can follow these steps to install virtual sound card on Mac that comes with the screen recorder utility in the multi-purpose video tool. It comes as a free component in the premium video converter, burner, downloader, recorder and transfer. It is not automatically installed along with the main software. You will activate it only when you try to record screen videos, record online movies. Also when you uninstall the video program from your Mac, this virtual audio card won’t be removed at the same time. If you are looking for a way to delete the virtual sound card from Mac, follow steps below.
Method 1. Uninstall the Virtual Sound Card from the Video Converter
If the Video Converter has not been uninstalled, run the program from Launchpad, choose Video Converter Ultimate from the top menu bar, select Uninstall Virtual Sound Card, verify your admin password, the Virtual Sound Can will then be removed from your Mac. This is the easiest way to uninstalled the virtual sound card on Mac.
Method 2. Delete the Virtual Sound Card from Kernel Extensions on Mac
The virtual sound card will be installed as a kernel extension on your Mac. You can follow below steps to delete it from Finder easily.
Open Finder on your Mac. Press Shift-Cmd-G on your keyboard. Type /Library/Extensions in the box, then click Go button to access the Extensions folder on Mac. In this folder, look for a file called “SystemAudioRecorder.kext“.
Right click on it and choose Move to Trash, or simply drag it into the trash. You may be asked for the admin password before you delete this third-party kernel extension on Mac. Once you have uninstalled the virtual audio card from Mac, make sure to restart your computer. This is the most reliable way to completely remove the virtual sound card on Mac system.